Energy is used to combine amino acid building blocks in order to build a large protein. what type of reaction is this?

A: Photosynthetic reaction

B: Exergonic reaction

C: Anabolic reaction

D: Catabolic reaction

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?